| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 09/22/1993 | EP0561045A1 Broad-band amplifier stage with one output terminal |
| 09/22/1993 | EP0560815A1 Method for clockfeedthrough error compensation in switched capacitor circuits. |
| 09/22/1993 | CN1076567A High efficiency dual mode power amplifier apparatus |
| 09/22/1993 | CN1076566A Power amplifier combining network |
| 09/22/1993 | CN1076564A Complementary common-mode current-stable compound emitter voltage follower |
| 09/21/1993 | WO1993019524A1 High dynamic range modulation independent feed forward amplifier network |
| 09/21/1993 | US5247581 Class-d bicmos hearing aid output amplifier |
| 09/21/1993 | US5247264 Combining circuit for Class-E RF power amplifiers |
| 09/21/1993 | US5247211 Light-receiving circuit |
| 09/21/1993 | US5247210 Method and circuitry for decreasing the recovery time of an MOS differential voltage comparator |
| 09/16/1993 | WO1993018582A1 Controlling amplifiers |
| 09/16/1993 | DE4213357C1 Wideband power amplifier using parallel transistors - has input circuit between successive input line sections and respective transistors for distributing input load |
| 09/16/1993 | DE4207747A1 Harmonic distortion for electric guitars - using phase splitting and separate distortion of each half-wave before summation and output |
| 09/15/1993 | EP0560527A1 Isolated current mirror |
| 09/15/1993 | EP0559996A1 MOS half-bridge drive circuit, particularly for power MOS half-bridges |
| 09/15/1993 | CN1076324A Slender stereo amplifier |
| 09/14/1993 | WO1993018590A1 Power amplifier combining network |
| 09/14/1993 | WO1993018583A1 High efficiency dual mode power amplifier apparatus |
| 09/14/1993 | US5245296 Audio amplifier circuit and method of operation |
| 09/14/1993 | US5245222 Method and apparatus for buffering electrical signals |
| 09/14/1993 | US5245218 Electric circuit for stabilizing the transfer impedance of an integrated circuit |
| 09/14/1993 | CA2091371A1 Isolated current mirror |
| 09/08/1993 | EP0559545A1 Push-pull output stage for integrated amplifier |
| 09/08/1993 | EP0559247A1 Audio amplifier |
| 09/07/1993 | US5243656 Audio circuit |
| 09/07/1993 | US5243301 Microwave power amplifiers |
| 09/02/1993 | WO1993017495A1 Amplifier circuit with switch |
| 09/02/1993 | WO1993017494A1 Differential current amplifier circuit |
| 09/02/1993 | WO1993017493A1 Differential amplifier |
| 09/02/1993 | WO1993017492A1 Current detecting circuit |
| 09/01/1993 | EP0558244A1 Method and apparatus for buffering electrical signals |
| 09/01/1993 | EP0558192A2 Analog output electro-pneumatic transducer |
| 09/01/1993 | EP0557599A1 Method of controlling a digital pulse step modulator PSM |
| 08/31/1993 | US5241284 Circuit arrangement for connecting RF amplifier and supply voltage filter |
| 08/31/1993 | US5241283 For transmitting a communication signal across a power line |
| 08/31/1993 | US5241226 Circuit for suppressing the noise produced by switching between two voltage sources |
| 08/31/1993 | CA1321756C Sound field reproducing apparatus |
| 08/25/1993 | EP0557126A1 Power semiconductor device |
| 08/25/1993 | EP0557032A2 Class D amplifier |
| 08/25/1993 | EP0556927A1 Differential circuit with high linearity |
| 08/24/1993 | US5239402 Push-pull optical receiver |
| 08/24/1993 | US5239210 Low distortion unity gain amplifier for dac |
| 08/19/1993 | WO1993016525A1 Low noise wide dynamic range amplifiers |
| 08/19/1993 | WO1993016427A1 Voltage regulator with high gain cascode mirror |
| 08/19/1993 | WO1993013593A3 Transimpedance amplifier |
| 08/18/1993 | EP0556077A1 Transistor follower amplifier |
| 08/18/1993 | EP0556000A1 Differential amplifier for an optical storage system |
| 08/18/1993 | EP0555748A1 Amplifier stage with negative feedback |
| 08/18/1993 | EP0307445B1 Plural level beam-forming network |
| 08/18/1993 | CN1021867C New type all channel high frequency amplifier |
| 08/17/1993 | US5237526 High speed electronic analog computers using low-gain amplifiers |
| 08/17/1993 | US5237398 Color difference signal matrix and buffer circuit for television apparatus |
| 08/17/1993 | US5237289 Mosfet controlling multiplier |
| 08/11/1993 | EP0554743A1 Differential amplifier with common-mode stability enhancement |
| 08/10/1993 | US5235288 Amplifier stage for low-resistance ac voltage sources |
| 08/05/1993 | WO1993009599A3 Analog-to-digital converter and method of fabrication |
| 08/04/1993 | EP0554193A1 Offset compensation device for an input stage |
| 08/04/1993 | EP0553981A2 Low-inductance package for multiple paralleled devices operating at high frequency |
| 08/03/1993 | US5233496 Electronic equipment incorporating an integrated btl circuit |
| 08/03/1993 | US5233313 High power field effect transistor amplifier |
| 08/03/1993 | US5233312 DC feedback circuit using sample and hold circuits |
| 08/03/1993 | US5233311 Differential amplifier and oscillator mixer comprising said amplifier |
| 08/03/1993 | US5233310 Microwave integrated circuit |
| 07/30/1993 | CA2085644A1 Low inductance package for multiple paralleled devices operating at high frequency |
| 07/22/1993 | WO1993014563A1 Switching amplifier |
| 07/22/1993 | CA2127446A1 Switching amplifier |
| 07/21/1993 | EP0552059A1 Power amplifier device |
| 07/21/1993 | EP0552039A1 Transmitter tuning |
| 07/21/1993 | EP0551556A1 Low loss, broadband stripline-to-microstrip transition |
| 07/21/1993 | EP0551538A1 Charge amplifier |
| 07/21/1993 | EP0551530A1 Amplifier biasing circuit suitable for a ring-trip detection system |
| 07/21/1993 | CN1021689C Amplifer with tuned adput transformer |
| 07/21/1993 | CN1021688C Linear transmitter training method and apparatus |
| 07/20/1993 | US5230022 Low frequency compensating circuit for audio signals |
| 07/20/1993 | US5229732 High frequency amplifier having stable amplification operation |
| 07/20/1993 | US5229731 Power amplifying circuit capable of switching amplification mode |
| 07/20/1993 | US5229721 Micropower amplifier/transducer driver with signal expansion |
| 07/20/1993 | US5229719 Amplifier with short time lag |
| 07/20/1993 | US5229664 Programmable differentiator delay |
| 07/20/1993 | US5229599 Amplifying circuit arrangement with a signal source having a hi-ohmic output impedance |
| 07/16/1993 | CA2067001A1 Low loss, broadband stripline-to-microstrip transition |
| 07/14/1993 | CN1021611C Amplifier arrangement |
| 07/13/1993 | US5227738 Multistage amplifier |
| 07/13/1993 | US5227737 Method and apparatus for adjusting the pole positions of a differentiating amplifier |
| 07/13/1993 | US5227735 Technique to drive transformer coupled line amplifier |
| 07/13/1993 | US5227734 Broadband bipolar transistor distributed amplifier |
| 07/10/1993 | WO1993014575A1 Multi-zone audio distribution amplifier |
| 07/10/1993 | CA2104947A1 Multi-zone audio distribution amplifier |
| 07/08/1993 | WO1993013593A2 Transimpedance amplifier |
| 07/07/1993 | CN1021533C Ac voltage amplifier |
| 07/06/1993 | US5225791 Non-saturating complementary type unity gain amplifier |
| 07/06/1993 | US5225789 Four quadrant current mode switching amplifier |
| 07/06/1993 | CA1319963C Equal power amplifier system for active phase array antenna and method of arranging same |
| 06/30/1993 | EP0549192A1 Spurious frequency suppressor |
| 06/30/1993 | EP0549101A2 Amplifier with multiple switched stages and noise suppression |
| 06/30/1993 | EP0549045A1 Semi-conductor device comprising a differential amplifier with two stages |
| 06/30/1993 | EP0548905A2 Atomic devices and logical circuits and method of manufacturing the same |
| 06/30/1993 | EP0468989B1 Control circuit |
| 06/29/1993 | US5224218 Microwave device |
| 06/29/1993 | US5224169 Protection arrangement for an audio output channel |